The article reviews the fundamental causes of social tension in Cuba, which led to the revolution. The objective prerequisites and motives for formation of the movement led by Fidel Castro are analyzed. The features of development of domestic and foreign policy in revolutionary events in Cuba are being investigated. It is concluded that the Cuban Revolution became an impulse to the change of the situation in international relations in Latin America in the context of the bipolar confrontation of the Cold War. At the same time Castro’s movement laid the foundation for the synthesis of new ideological platforms for Latin American peoples.

The article represents a comparative analysis of two waves of European cultural transfer to the United States in the 30-40s. XX century on the example of the study of German-Jewish and Russian emigration of cinematographers, in particular, their adaptation in Hollywood to new living conditions and creative activities, as well as their contribution to the development of American cinema.

The article is devoted to the views of one of the Azerbaijani leaders of the first third of the 20th century, M.E. Rasulzade, a socialist, theorist and leader of the ruling “Musavat” (“Equality”) party in the Republic of Azerbaijan (1918–1920), as well as the influence of this party on the situation in the Azerbaijan SSR in 1920.

Confusion on the roles of the supreme organs of government was an important characteristic of administration of the state of Russian Empire. So, two its highest legislative authorities, the State Council and the Committee of Ministers, performed both legislative and administrative functions. The situation not so much led to confrontation as to cooperation of the institutions. The success of bureaucracy means the settlement of any conflicts between its component units. So, throughout the second half of the 19th century the division of labour based on the status of the case was established between the State Council and the Committee of Ministers. And it was made not through legislation but through practice.

In the article, the author coverage of the main issues related to the final formatting of the Russian-Ukrainian inter-republican border in the 1926–1928s. It is emphasized that the dynamics and content of the Russian-Ukrainian demarcation in the 1920s. identified a whole range of domestic political reasons. The parties again turned to ethnographic criteria, reinforcing them economic and political arguments. The result of the territorial disputes was the clarification of the inter-republican borders in October 1928. These boundaries served as the basis for the establishment of the land state border between the Russian Federation and Ukraine in 1991.

The start of ore mining at Pavlovskoye occurrence on the island Novaya Zemlia is planned on 2021. There is some data known since the 16-17th centuries that it is possible to mine at that place zinc, silver and lead. Since the time of Ivan the Terrible there were several expeditions to search the treasures of the North. Was it possible to start mining 200 years earlier? What difficulties did the sailors face? The study of navigation instruments, they could use, is just one aspect of that problem. However even this only aspect is an important key for better understanding the processes of the acquisition of the North and development naval technologies.

The article reflects the characteristic features of the activities of progressives in the the 3rd and 4th Duma. The author also pays special attention to the extra-parliamentary activities of centrist liberals during the First world war, assessing them as a real political force in pre-revolutionary Russia.

This publication of the 1918 correspondence and 1932 memoirs of V.Pukka, a representative of the Council of the People’s Plenipotentiaries (the revolutionary Red Finnish government), details one small aspect of V.I.Lenin’s military-political plan for 1918: the creation of monetary resources for the future communist party of Finland.